city in W Netherlands: pop. 115,000
A city of southwest Netherlands northeast of The Hague. Dating from Roman times, Leiden has had an important textile industry since the 1500s. Its university, founded in 1575, was a noted center for the study of theology, science, and medicine in the 1600s and 1700s.
- A city in South Holland on the Old Rhine, seat of a famous Dutch university.
From Latin Lugdunum Batavorum (although the modern site is that of Roman Matilo, confused with modern Katwijk)